Home / 141,054.38-211,076.04-122,144.12

Finding the Fourth Proportional to 141,054.38, 211,076.04 and 122,144.12

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Solution

The fourth proportional to 141,054.38, 211,076.04 and 122,144.12 is: 182,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,054.38 : 211,076.04 = 122,144.12 : x
  2. Step 2: Convert to fraction form
    141,054.38/211,076.04 = 122,144.12/x
  3. Step 3: Cross multiply
    141,054.38x = 211,076.04 × 122,144.12
  4. Step 4: Simplify right side
    141,054.38x = 25,781,697,158.88
  5. Step 5: Solve for x
    x = 25,781,697,158.88/141,054.38
  6. Step 6: Final answer
    x = 182,778.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.